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Loans and Allowance for Credit Losses Loans (Schedule of Restructured Trouble Debt Restructuring By Class) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
contract
Dec. 31, 2020
USD ($)
contract
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | contract 4 3
Financing Receivable, Troubled Debt Restructuring, Premodification $ 294 $ 808
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 294 $ 808
Commercial real estate owner occupied other    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | contract 0 1
Financing Receivable, Troubled Debt Restructuring, Premodification $ 0 $ 361
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 361
Residential 1-4 family real estate personal residence    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | contract 4 1
Financing Receivable, Troubled Debt Restructuring, Premodification $ 294 $ 48
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 294 $ 48
Residential 1-4 family real estate rental - small loan    
Financing Receivable, Modifications [Line Items]    
Financing Receivable, Modifications, Number of Contracts | contract 0 1
Financing Receivable, Troubled Debt Restructuring, Premodification $ 0 $ 399
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 399